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2cb6eabe0b
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Elvin Li <elvin.li@intel.com> Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com> Reviewed-by: Feng Tian <feng.tian@intel.com> Reviewed-by: Jeff Fan <jeff.fan@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16224 6f19259b-4bc3-4df7-8a09-765794883524
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/** @file
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Debug Port Library implementation based on usb3 debug port.
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Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <Base.h>
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#include <PiDxe.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include "DebugCommunicationLibUsb3Internal.h"
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/**
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Allocate aligned memory for XHC's usage.
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@param BufferSize The size, in bytes, of the Buffer.
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@return A pointer to the allocated buffer or NULL if allocation fails.
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**/
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VOID*
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AllocateAlignBuffer (
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IN UINTN BufferSize
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)
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{
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VOID *Buf;
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Buf = NULL;
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if (gBS != NULL) {
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Buf = (VOID *)(UINTN)0xFFFFFFFF;
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gBS->AllocatePages (
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AllocateMaxAddress,
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EfiACPIMemoryNVS,
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EFI_SIZE_TO_PAGES (BufferSize),
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(EFI_PHYSICAL_ADDRESS *) &Buf
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);
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}
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return Buf;
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}
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